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CVE record · CVE-2020-1639

Junos OS: A crafted Ethernet OAM packet received by Junos may cause the Ethernet OAM connectivity fault management process (CFM) to core.

CVSS 7.5 HighEPSS 0.011 · 65th percentile

Published by the CVE Program (CNA: juniper) at 8 Apr 2020, 19:26 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Juniper Networks Junos OS
  • affected 12.3 to before 12.3R12-S15 custom
  • affected 14.1X50 to before 14.1X50-D145 custom
  • affected 14.1X53 to before 14.1X53-D47 custom
  • affected 15.1 to before 15.1R2 custom
  • affected 15.1X53 to before 15.1X53-D67 custom
Juniper Networks Junos OS
  • affected 12.3X48 to before 12.3X48-D95 custom
  • affected 15.1X49 to before 15.1X49-D170 custom
Identifiers
CVE-2020-1639
CNA
juniper
Weakness (CWE)
CWE-703
Tags
Published
8 Apr 2020
Updated
16 Sept 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CNA (juniper)
  • CISA KEV Not listed.
  • EPSS 0.011, the 65th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 8 Apr 2020. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.